<template>
  <div class="todo-header">
    <input v-model="task" @keyup.enter="addItem"  type="text" placeholder="请输入你的任务名称，按回车键确认"/>
  </div>
</template>

<script>
    export default {
      name: "header",
      data() {
        return {
          task: null
        }
      },
      props:{
        addTask:Function
      },
      methods:{
        addItem() {
          if (!this.task.trim()) {
            alert('任务名不能为空！')
            return
          }
          this.addTask({
            title:this.task,
            bol: false
          })
          this.task = ''
        }
      }
    }
</script>

<style scoped>
  /*header*/
  .todo-header input {
    width: 560px;
    height: 28px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 4px 7px;
  }

  .todo-header input:focus {
    outline: none;
    border-color: rgba(82, 168, 236, 0.8);
    box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6);
  }
</style>
